I have some _________ in working out the problem.
#27940
A
difficulty
B
difficulties
C
troubles
D
difficult
推荐题目
—What’s your favorite fruit? —I like ______ best.
#29549
A
apples
B
broccoli
C
potatoes
D
cabbages
What’s the matter with you?
#29214
A
the wrong
B
trouble
C
wrong
D
the weather